Target Audience:
RX-7 owners, enthusiasts, DIY mechanics, and restoration specialists looking for in-depth repair and maintenance information.
Value Proposition:
Provides professional-level, detailed information for carburetor-specific repairs and maintenance, offering significant cost savings over dealership services and ensuring proper restoration.
Primary Focus:
Carburetor systems of the first-generation Mazda RX-7.
Accessibility:
Instant PDF download, printable, user-friendly for varying technical skill levels.
Engine System:
Comprehensive coverage of the rotary engine, including lubrication, cooling, ignition, and fuel systems, with a specific focus on carburetor systems.
Carburetor System:
Detailed rebuild, adjustment, and troubleshooting procedures for the stock carburetors (e.g., Hitachi, Nikki) fitted to the 1979-1985 RX-7 models.
Fuel System:
Fuel pump, fuel lines, fuel tank, and filter servicing.
Ignition System:
Spark plugs, ignition coils, distributor, ignition timing adjustments.
Cooling System:
Radiator, water pump, thermostat, hoses, coolant types, and flushing procedures.
Lubrication System:
Oil pump, oil filter, oil passages, and oil pressure checks specific to rotary engines.
Exhaust System:
Manifold, catalytic converter (if applicable), muffler, and pipe replacement.
Transmission System:
Manual and automatic transmission servicing, clutch replacement, gear oil specifications.
Drivetrain:
Driveshaft, differential, axle servicing.
Suspension System:
Front and rear suspension components, shock absorbers, bushings, alignment specifications.
Steering System:
Steering rack, tie rods, power steering fluid (if equipped).
Brake System:
Disc brake components, brake fluid specifications, bleeding procedures, parking brake.
Electrical System:
Wiring diagrams, battery, alternator, starter, lighting, fuses, relays.
Body And Chassis:
Body panel removal/installation, interior trim, glass, locks, hinges.
Maintenance:
Regular scheduled maintenance, fluid changes, filter replacements, lubrication points.
Troubleshooting:
Diagnostic procedures for common and uncommon issues, symptom-based troubleshooting guides.
Repair:
Step-by-step repair instructions for all major vehicle systems.
Rebuild:
Complete rebuild instructions for the carburetor, engine components, and transmission.
Restoration:
Guidance applicable to restoring the vehicle, including disassembly and reassembly of key components.
Adjustments:
Carburetor idle speed and mixture adjustments, ignition timing, clutch adjustments.
Diagnostics:
In-depth diagnostic procedures, including testing of electrical components and mechanical systems.
Specifications:
Torque specifications for fasteners, engine clearances, alignment angles.
Depth Level:
Comprehensive, covering from basic maintenance to advanced diagnostics and complete rebuilds, equivalent to professional technician resources.
Searchability:
Likely text-searchable due to PDF format, facilitating quick information retrieval.
Image Resolution:
High Quality Photos, Illustrations And Diagrams as stated, implying clear visuals for repair procedures.
Completeness:
100% Complete and Intact, no missing/corrupt pages/sections.
Binding:
Digital (PDF) - Printable. No physical binding.
Paper Quality:
N/A (Digital Format). Original manuals may have used durable paper stock.
Engine Type:
Mazda Rotary (Wankel)
Engine Displacement Cc:
1146cc (12A), 1308cc (13B)
Engine Displacement Ci:
70.1 cu in (12A), 79.9 cu in (13B)
Rotor Housing Design:
Unique trochoidal shape
Induction System:
Carburetor (specific types vary by year and market, e.g., Hitachi DCAS, Nikki 2-barrel)
Horsepower Range Hp:
Approximately 100-135 hp (varies by engine and emission controls)
Torque Range Lb Ft:
Approximately 100-115 lb-ft (varies by engine)
Fuel Type:
Unleaded gasoline
Carburetor Service Focus:
Rebuilding, adjustment of fuel/air mixture, idle speed, jetting.
Apex Seal Material:
Historically, critical component; manual should cover inspection and replacement procedures.
Oil Change Interval:
Every 3,000-5,000 miles or 3-6 months, depending on driving conditions. Manual will provide exact recommendations.
Spark Plug Replacement:
Refer to manual; typically around 15,000-30,000 miles, depending on plug type.
Air Filter Replacement:
Every 15,000-30,000 miles or as needed based on inspection.
Engine Oil Type:
Rotary engine oil, often requires specific oil due to lubrication system. Manual will specify API service classification and viscosity (e.g., 10W-30, 10W-40).
Coolant Type:
Conventional ethylene glycol-based coolant. Manual will specify mixture ratio and capacity.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid (manual will specify exact type).
Apex Seal Wear:
Premature wear can lead to loss of compression and starting issues. Manual provides diagnostic methods.
Carburetor Idling Instability:
Common due to wear, vacuum leaks, or improper adjustment. Manual details troubleshooting and adjustment procedures.
Chassis Rust:
Common in areas with salt exposure; manual may offer some advice on inspection or body repair.
Ignition System Maintenance:
Regular checks of spark plugs, wires, and distributor cap/rotor are crucial for rotary performance.
Mazda Rotary Legacy:
The RX-7 is a flagship model for Mazda's rotary engine technology, established with the Cosmo Sport and RX-2/3/4.
Generation Designation:
FB (First Generation): 1978-1985 (JDM introduction in 1978, export in 1979).
Facelifts:
Significant facelift in 1980 (e.g., revised headlights, bumpers, interior) and a minor update in 1983.
Production Years Coverage:
1979-1985
Key Markets:
North America, Europe, Japan, Australia.
